import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'


Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' }, 
  { path: '/login', component: Login},
  { path: '/home',
    redirect:'/welcome',
    component: Home,
    children:[
      { path: '/welcome', component: Welcome},
      { path: '/users', component: Users},
      { path: '/rights', component: Rights},
      { path: '/roles', component: Roles},
      { path: '/categories', component: Cate},
      { path: '/params', component: Params},
      { path: '/goods', component: GoodList},
      {path:'/goods/add',component:Add},
      {path:'/orders',component:Order},
      {path:'/reports',component:Report},




  ]},
  
]



const router = new VueRouter({
  routes
})

//挂载路由导航守卫
router.beforeEach((to,from,next) => {
  //to将要访问的路径
  //from 代表从哪个路径跳转而来
  // next 是一个函数 表示放行
  //next() 放行  next('/login) 强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})


export default router
